* {
    margin: 0;
    padding: 0;
  }
  
  .header {
    width: 100%;
    height: 60px;
    background-color: #000;
    color: #fff;
  }
  
  
  
  .list {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .send {
    box-sizing: border-box;
    padding-left: 2em;
    width: 350px;
    height: 30px;
    outline-style: none;
    border-radius: 15px;
  }